Supply capacity: more than 5000t Starting quantitative: more than 1t Delivery time: 3-45 days Port Delivery: Qingdao, Shanghai, Tianjin, Ningbo, Shenzhen
Solder paste, a critical material in surface mount technology (SMT), consists of metal alloy powder (typically tin-lead or lead-free) suspended in a flux vehicle. Its viscous texture enables precise printing onto PCBs, forming reliable solder joints when heated in reflow ovens. Lead-free formulations (e.g., SAC305) dominate modern production to meet RoHS standards, while no-clean fluxes reduce post-soldering residues. Key applications include smartphones, automotive electronics, and IoT devices. Manufacturers in Asia and Europe innovate with finer particle sizes for miniaturized components. As 5G and AI drive demand, solder paste’s role in high-density interconnects and thermal management remains pivotal.
